There are 3 titles associated with this person.

@book{ wphp_7045
  author={Morris,Mrs. R. P.},
  year={1784},
  title={The rival brothers, A novel. In a series of letters, founded on facts. By a Lady.},
  publisher={},
  address={London},    }
@book{ wphp_6993
  author={Morris,Mrs. R. P.},
  year={1791},
  title={Illicit love: a novel. By Mrs. Morris, author of the Rival brothers, a novel; poems, &c. In two volumes. ...},
  publisher={},
  address={London},    }
@book{ wphp_8164
  author={Morris,Mrs. R. P.},
  year={1793},
  title={Illicit love: a novel. By Mrs. Morris, author of the Rival brothers, a novel; poems, &c. In two volumes.},
  publisher={},
  address={Polesden Lacey},    }